In depth comparison and review of Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) and ASUS ROG Zephyrus Duo 15 (GX550LXS). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.3 cm x 22.7 cm x 1.59 cm | 36 cm x 26.8 cm x 2 cm |
| Weight | 1.63 kg | 2.48 kg |
| Case Material | Aluminum, glass | - |
| Colour | Copper | Gunmetal gray |
| DISPLAY | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 400 cd/m² |
| Colour Gamut | 72% | 100% Adobe RGB, 132.7% sRGB, 95.54% NTSC |
| Features | Glossy | Anti-glare, NVIDIA G-SYNC compatible, Pantone Validated |
| PROCESSOR | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i9 (10th Gen) 10980HK / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 5.3 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 6 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Intel HM470 |
| Features | Integrated memory controller | Intel Turbo Boost Max Technology 3.0 |
| MEMORY | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 3200 MHz |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Total Capacity | - | 2 TB |
|---|---|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 2 x 1 TB SSD M.2 PCIe - NVM Express (NVMe), HyperDrive RAID 0 |
| RAID Level | - | RAID 0 |
| AUDIO & VIDEO | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 2080 SUPER / Intel UHD Graphics |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Optimus, Max-Q design |
| Gaming | - | Yes |
| Camera | Yes - 720p | - |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, array microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | - | ESS SABRE HiFi audio DAC technology, Smart Amp |
| VR Ready | - | Yes |
| COMMUNICATIONS | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | Gigabit Ethernet |
| Compliant Standards | - | Wi-Fi CERTIFIED 6 |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 90 Wh |
| Battery Life | Up to 10 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 240 Watt, 20 V, 12 A |
| INPUT | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 2 x USB 3.2 Gen 1 HDMI LAN Headphone/microphone combo jack Microphone input |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S540-14IWL (Lenovo IdeaPad S540) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Features | Administrator password, power-on password, RapidCharge | System password, ASUS Aura Sync technology, Active Aerodynamic System (AAS), 65W power delivery |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | - | 0.028 W/kg (body), 0.028 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | 14IWL 81ND | HC029R |
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